Description
21-863C is an AEM Cold Air Intake for Subaru WRX STI 2.5L H4 2019-2021. It replaces the restrictive factory air filter and intake housing to free up horsepower and torque.
Air enters through an AEM Dryflow air filter made from an oil-free synthetic media that is washable and reusable. The filter can go up to 100,000 miles between cleanings, depending on driving conditions. A heat shield helps keep engine bay heat away from the intake.
The intake tube is mandrel-bent aluminum.
AEM Cold Air Intake Features:
- Replaces the restrictive factory air filter and intake housing
- AEM Dryflow oil-free synthetic air filter
- Washable and reusable filter
- Heat shield included
- Mandrel-bent aluminum intake tube
- AEM Lifetime Limited Warranty
Technical Details
- UPC:
- 024844392077
- Filter Media:
- Dry
- Filter Material:
- Synthetic
- Unit of Measure:
- Sold as a Kit